The back of the board houses:

Qualcomm MDM6200 supporting HSPA+ speeds of up to 14.4 Mbps

Hynix H8BCSOQG0MMR 2-chip memory MCP

Elpida B8132B1PB. According to Chipworks, the Elpida package contains 1 GB DDR2 RAM, but also covers the Nvidia Tegra 2 CPU/GPU residing underneath the package.

Broadcom BCM4329 802.11n Wi-Fi, Bluetooth 2.1, and FM Tuner

AKM 8975 Electronic Compass